diff --git a/GildedRoseRequirements.txt b/GildedRoseRequirements.txt
index 2e74aae6..8118fe36 100644
--- a/GildedRoseRequirements.txt
+++ b/GildedRoseRequirements.txt
@@ -17,7 +17,7 @@ Pretty simple, right? Well this is where it gets interesting:
 
 	- Once the sell by date has passed, Quality degrades twice as fast
 	- The Quality of an item is never negative
-	- "Aged Brie" actually increases in Quality the older it gets
+	- "Aged Brie" actually increases in Quality the older it gets, once sell by date has passed, Quality increases twice as fast.
 	- The Quality of an item is never more than 50
 	- "Sulfuras", being a legendary item, never has to be sold or decreases in Quality
 	- "Backstage passes", like aged brie, increases in Quality as its SellIn value approaches;
diff --git a/GildedRoseRequirements_zh.txt b/GildedRoseRequirements_zh.txt
index 34564768..f1660ccc 100644
--- a/GildedRoseRequirements_zh.txt
+++ b/GildedRoseRequirements_zh.txt
@@ -17,7 +17,7 @@ Gilded Rose 需求描述
 
 	- 一旦销售期限过期，品质`Quality`会以双倍速度加速下降
 	- 物品的品质`Quality`永远不会为负值
-	- "Aged Brie"的品质`Quality`会随着时间推移而提高
+	- "Aged Brie"的品质`Quality`会随着时间推移而提高, 一旦销售期限过期，品质`Quality`会以双倍速度提高
 	- 物品的品质`Quality`永远不会超过50
 	- 传奇物品"Sulfuras"永不到期，也不会降低品质`Quality`
 	- "Backstage passes"与aged brie类似，其品质`Quality`会随着时间推移而提高；当还剩10天或更少的时候，品质`Quality`每天提高2；当还剩5天或更少的时候，品质`Quality`每天提高3；但一旦过期，品质就会降为0